368

APPENDIX.

as the times.—The distance increases as the square ofthe times.

Time of Descent.

Distance fallen.

Velocity attainedper second.

feet.

inches.

feet.

inches.

r

-

-

0

o 5 ' s

0

3

2

-

-

0

o'v

0

6

3

-

-

0

0 T j

0

9

4

123thg of a eec.

0

°A

1

5

-

-

0

of

1

3

6

.

-

0

°j|

1

6

7,

-

.

0

of

1

9

2 |

.

-

0

Of

2

3

.

-

0

If

3

4

5

> 32nds of a

sec.

0

0

3

4?

4

5

6

-

-

0

4

6

7

•

-

0

9*

7

l-4th of a

sec.

1

0

8

91

-

1

3i

9

10

.

-

1

e|

10

11

-

-

1

10}

11

12

32nda of a

sec.

2

3

12

13

-

.

2

73

13

14

.

-

3

of

14

15.

-

3

15

1 half of a

sec.

4

0

16

17 1

-

-

4

17

18

-

-

5

Of

18

19

-

-

5

7f

19

20

32nds of a

sec.

6

3

20

21

-

-

6

101

21

22

-

-

7

e|

22

23,

-

8

3f

23

3-4ths of a

sec.

9

0

24

25'

-

-

9

9J

25

26

-

.

10

6f

26

27

-

-

11

4f

27

28

32nds ofa

sec.

12

3

29

29

-

.

13

if

29

30

-

.

14

of

30

31,

.

.

15

Of

31

1

16

32

2

15

► seconds.

64

3600

64

480

30

14400

960

1 minute.

57600

1920

“ To determine what proportion of a given waterpower is lost by a given velocity of the wheel, it is onlynecessary to ascertain what distance the water must de-